Even 12% is way to high.
Back when we were trying for children I was told to go off any medication unless it was necessary for life, limb or eyesight.
Vaccinations were completely off the table during pregnancy.
Too much chance of something going wrong.
I asked my doctor what he would recommend if there was an epidemic and he said bluntly, "Quarantine."
Even 12% is way to high.
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Notice this part though, it says 12% is below the risk of miscarriage in the general population. Miscarriage is defined as 'prior to 20 weeks'.
"The authors claimed that the number of people to suffer a spontaneous abortion (miscarriage) during the study was 104 out of 827 completed pregnancies, equating the risk of miscarriage at 12.6%; 7 – 12% lower than the risk of miscarriage in the general population."
Early pregnancies are often lost, so this article's 91% value for vaccinated pregnancies lost before week 20 should be compared with 19 - 24% early pregnancies lost 'normally' for the general population.